Toshiba 8gb exceria m301 microsd card key features up to 8gb storage space uhs speed class speed class 1 u1 max read speed mbs 48 mbs small device full hd a toshiba exceria microsd card is the card you need if you want to record full hd videos on your smartphone tablet or sports camera specifications capacity 8 gb interface sdhcsdxc uhs i uhs speed class speed class 1 u1 max read speed mbs 48 mbs dimensions 15 mm l x 11 mm w x 10 mm h weight approx 04